Table 2.

Comparison of VIP and NPY levels in patients (pg/ml, ‾x ± s).

Group	n	VIP		NPY
		Before treatment	After treatment	Before treatment	After treatment
Control group	51	292.30 ± 47.09	242.31 ± 35.06	60.52 ± 7.94	67.17 ± 9.23
Observation group	51	294.45 ± 47.05	173.35 ± 30.07	60.22 ± 7.53	85.17 ± 9.28
T		0.231	10.662	0.196	9.821
P		0.818	0.000	0.845	0.000